A rectangular garden measures 12m by 8m. A wooden border of uniform width surrounds the garden, as shown. The area of the border and garden is 140 m². Write a quadratic
equation of the form ax? + bx+c=0 which could be solved to determine the width of the
border, r. (You do not have to solve the equation.)​

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

there is nothing below so i cannot

step-by-step explanation:

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